Hi, Am 25.11.2013 14:43, schrieb Mike Looijmans:
Leaving the mux enabled causes needless I2C traffic on the downstream bus. De-selecting after every request causes excess I2C traffic and switching. This patch implements a hybrid solution: After 200ms of inactivity, the mux is disabled.
... Have you checked against behavior on cascaded muxes? At least your desired timing will not look as expected. 200 ms: disable mux1 201 ms: enable mux1 - disable mux2 202 ms: enable mux2 - disable mux3 401 ms: disable mux1 402 ms: enable mux1 - disable mux2 602 ms: disable mux1 And on full second temperature sensor behind mux3 is read again ... KR Michael -- To unsubscribe from this list: send the line "unsubscribe linux-i2c" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
